bt::vector2f Class Reference

vector2f - two-dimensional single precision vector More...

Public Member Functions
_FORCEINLINE	vector2f ()
	The constructor does not set the initial values to the fields.
_FORCEINLINE	vector2f (float _a)
	Конструктор, задает все параметры равными одному значению.
_FORCEINLINE	vector2f (float _x, float _y)
_FORCEINLINE float	angle (vector2f &b)
	The angle between the vectors.
_FORCEINLINE void	combine (vector2f &a, vector2f &b, float c, float d)
	Масштобирование и сложение векторов по формуле a * c + b * d.
_FORCEINLINE float	dot (vector2f &a)
	Dot product.
_FORCEINLINE bool	leftOfLine (const vector2f &a, const vector2f &b)
	The position of a point on a straight line passing through a b.
_FORCEINLINE void	lerp (vector2f &a, vector2f &b, float c)
	The vector interpolation between a and b, с[0.0 .. 1.0].
_FORCEINLINE void	neg ()
	The appeal of the sign of the vector.
_FORCEINLINE const vector2f	norm ()
	Converts the vector to a unit length.
_FORCEINLINE void	normalize ()
	Scales the vector to a unit length.
_FORCEINLINE const vector2f	operator* (const quaternionf &b)
	Transforming a vector by a quaternion.
_FORCEINLINE const vector2f	operator* (const float &b)
	Scaling vector.
_FORCEINLINE const vector2f	operator+ (const vector2f &a)
	Addition of vectors.
_FORCEINLINE const vector2f &	operator+= (const vector2f &a)
	Addition of vectors.
_FORCEINLINE const vector2f	operator- (const vector2f &a)
	Subtraction of vectors.
_FORCEINLINE const vector2f &	operator-= (const vector2f &a)
	Subtraction of vectors.
_FORCEINLINE float &	operator[] (unsigned int id) const
	Accessing parameters as array elements.
_FORCEINLINE float	quadDistanceFromLine (const vector2f &a, const vector2f &b)
	The square of the distance from a point to a straight line passing through a b.
_FORCEINLINE vector2f	reflect (vector2f &a)
	The reflection vector.
_FORCEINLINE void	scale (float a)
	Scales the vector.
_FORCEINLINE float	sqrLen ()
	Vector length squared.
_FORCEINLINE void	zero ()
	Sets the value of the fields to zero.

Public Attributes
float	x
	Параметр оси X.
float	y
	Параметр оси Y.

Friends
_FORCEINLINE friend vector2f	operator* (const vector2f &a, const quaternionf &b)
	Transforming a vector by a quaternion.
_FORCEINLINE friend vector2f	operator* (const vector2f &a, const float &b)
	Scaling vector.
_FORCEINLINE friend vector2f	operator* (const float &b, const vector2f &a)
	Scaling vector.
_FORCEINLINE friend vector2f	operator* (vector2f &a, float &b)
	Scaling vector.
_FORCEINLINE friend vector2f	operator* (float &b, vector2f &a)
	Scaling vector.
_FORCEINLINE friend vector2f	operator+ (const vector2f &a, const vector2f &b)
	Addition of vectors.
_FORCEINLINE friend vector2f	operator+ (vector2f &a, vector2f &b)
	Addition of vectors.
_FORCEINLINE friend vector2f	operator+= (vector2f &a, vector2f &b)
	Addition of vectors.
_FORCEINLINE friend vector2f	operator- (const vector2f &a, const vector2f &b)
	Subtraction of vectors.
_FORCEINLINE friend vector2f	operator- (vector2f &a, vector2f &b)
	Subtraction of vectors.
_FORCEINLINE friend vector2f	operator-= (vector2f &a, vector2f &b)
	Subtraction of vectors.

Detailed Description

vector2f - two-dimensional single precision vector

See Also

vector2d, vector3f, vector3d, vector4f, vector4d, bt: math

Constructor & Destructor Documentation

_FORCEINLINE bt::vector2f::vector2f ( float  _x, float  _y  )

inline

Конструктор.

Parameters

_x	- vector x
_y	- vector y